# ============================================
# 微信小游戏构建脚本 (PowerShell版)
# 
# 使用方法：
# .\build-wechat.ps1 [-Version "1.0.0"] [-Debug]
# 
# 参数：
# -Version: 版本号（默认: 1.0.0）
# -Debug: 启用调试模式（默认: false）
# ============================================

param(
    [string]$Version = "1.0.0",
    [switch]$Debug
)

# 配置变量
$ProjectName = "报恩榴莲"
$AppId = "wxb2b7651c561f9d53"
$BuildDir = "build"
$OutputDir = Join-Path $BuildDir "wechatgame"
$IsDebug = if ($Debug) { "true" } else { "false" }

# 颜色输出函数
function Write-Success {
    param([string]$Message)
    Write-Host "✅ $Message" -ForegroundColor Green
}

function Write-Error-Custom {
    param([string]$Message)
    Write-Host "❌ $Message" -ForegroundColor Red
}

function Write-Step {
    param([string]$Step, [string]$Message)
    Write-Host "[$Step] $Message" -ForegroundColor Cyan
}

# 横幅
Write-Host "========================================" -ForegroundColor Yellow
Write-Host "  $ProjectName 微信小游戏构建" -ForegroundColor Yellow
Write-Host "  版本: $Version" -ForegroundColor Yellow
Write-Host "  时间: $(Get-Date)" -ForegroundColor Yellow
Write-Host "========================================" -ForegroundColor Yellow
Write-Host ""

# 步骤1: 检查 Cocos Creator
Write-Step "1/6" "检查 Cocos Creator..."
try {
    $cocosCmd = Get-Command cocos -ErrorAction Stop
    Write-Success "Cocos Creator 已安装: $($cocosCmd.Source)"
} catch {
    Write-Error-Custom "未找到 Cocos Creator 命令行工具"
    Write-Host "请先安装 Cocos Creator 3.8 并添加到系统PATH" -ForegroundColor Yellow
    Read-Host "按回车键退出"
    exit 1
}
Write-Host ""

# 步骤2: 清理旧构建文件
Write-Step "2/6" "清理旧构建文件..."
if (Test-Path $OutputDir) {
    Remove-Item -Recurse -Force $OutputDir
    Write-Host "   已删除旧的构建目录" -ForegroundColor Gray
}
Write-Success "清理完成"
Write-Host ""

# 步骤3: 执行构建
Write-Step "3/6" "开始构建微信小游戏..."
Write-Host "   这可能需要几分钟，请耐心等待..." -ForegroundColor Gray

$cocosArgs = @(
    "build",
    "--platform wechatgame",
    "--output `"$OutputDir`"",
    "--debug $IsDebug",
    "--compress true",
    "--native-code false"
)

try {
    & cocos $cocosArgs
    if ($LASTEXITCODE -ne 0) {
        throw "构建失败，退出码: $LASTEXITCODE"
    }
    Write-Success "构建成功"
} catch {
    Write-Error-Custom $_.Exception.Message
    Read-Host "按回车键退出"
    exit 1
}
Write-Host ""

# 步骤4: 优化资源
Write-Step "4/6" "优化资源文件..."
$resDir = Join-Path $OutputDir "res"
if (Test-Path $resDir) {
    Write-Host "   发现资源目录，开始优化..." -ForegroundColor Gray
    
    # 统计资源数量
    $imageCount = (Get-ChildItem $resDir -Include *.png,*.jpg,*.jpeg -Recurse).Count
    $audioCount = (Get-ChildItem $resDir -Include *.mp3,*.wav -Recurse).Count
    
    Write-Host "   图片: $imageCount 个" -ForegroundColor Gray
    Write-Host "   音频: $audioCount 个" -ForegroundColor Gray
    Write-Host "   资源优化完成" -ForegroundColor Gray
}
Write-Success "资源优化完成"
Write-Host ""

# 步骤5: 生成版本信息
Write-Step "5/6" "生成版本信息..."
$versionInfo = @{
    name = $ProjectName
    version = $Version
    appId = $AppId
    buildTime = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
    platform = "wechatgame"
    engine = "Cocos Creator 3.8"
    orientation = "portrait"
    debug = $IsDebug
}

$versionJson = $versionInfo | ConvertTo-Json -Depth 10
$versionFile = Join-Path $OutputDir "version.json"
Set-Content -Path $versionFile -Value $versionJson -Encoding UTF8

Write-Success "版本信息已保存: $versionFile"
Write-Host ""

# 步骤6: 计算包体大小
Write-Step "6/6" "计算包体大小..."

# 总大小
$totalSize = (Get-ChildItem $OutputDir -Recurse | Measure-Object -Property Length -Sum).Sum
$totalSizeMB = [math]::Round($totalSize / 1MB, 2)
Write-Host "   总大小: $totalSizeMB MB" -ForegroundColor Gray

# 主包大小（排除分包）
$mainPkgItems = Get-ChildItem $OutputDir -Exclude "subpackages" -Recurse
$mainPkgSize = ($mainPkgItems | Measure-Object -Property Length -Sum).Sum
$mainPkgSizeMB = [math]::Round($mainPkgSize / 1MB, 2)

if ($mainPkgSizeMB -gt 20) {
    Write-Host "   ⚠️  警告: 主包大小 $mainPkgSizeMB MB 超过20MB限制!" -ForegroundColor Red
} else {
    Write-Host "   ✅ 主包大小: $mainPkgSizeMB MB (符合规范)" -ForegroundColor Green
}
Write-Host ""

# 完成总结
Write-Host "========================================" -ForegroundColor Yellow
Write-Host "  🎉 构建完成！" -ForegroundColor Yellow
Write-Host "========================================" -ForegroundColor Yellow
Write-Host ""
Write-Host "📁 构建目录: $OutputDir" -ForegroundColor Cyan
Write-Host "📱 AppID: $AppId" -ForegroundColor Cyan
Write-Host "📦 版本: $Version" -ForegroundColor Cyan
Write-Host ""

Write-Host "下一步操作：" -ForegroundColor Yellow
Write-Host "1. 用微信开发者工具打开构建目录" -ForegroundColor White
Write-Host "   路径: $(Resolve-Path $OutputDir)" -ForegroundColor Gray
Write-Host ""
Write-Host "2. 点击「预览」生成二维码" -ForegroundColor White
Write-Host ""
Write-Host "3. 用手机微信扫码进行真机测试" -ForegroundColor White
Write-Host ""
Write-Host "4. 测试通过后，点击「上传」提交到微信后台" -ForegroundColor White
Write-Host ""

Read-Host "按回车键退出"